Gemstone setting



FIG. 1 is a top and front perspective view of gemstone setting showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a top and front perspective view thereof shown in an alternate environment; and,

FIG. 6 is a right side perspective view shown in an alternate environment.

The broken lines shown in the drawings represent environmental matter and form no part of the claimed design. 

The ornamental design for a gemstone setting, as shown and described. 